/**
* Copyright (c) 2025 Huawei Technologies Co., Ltd.
* This program is free software, you can redistribute it and/or modify it under the terms and conditions of
* CANN Open Software License Agreement Version 2.0 (the "License").
* Please refer to the License for details. You may not use this file except in compliance with the License.
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR A PARTICULAR PURPOSE.
* See LICENSE in the root of the software repository for the full text of the License.
*/

/*!
 * \file sincos_tiling_impl.cpp
 * \brief
 */
#include <vector>
#include <set>
#include <cstdint>
#include "include/adv_api/math/sincos_tiling.h"
#include "../../detail/host_log.h"
#include "../../detail/api_check/host_apicheck.h"
#include "graph/tensor.h"

namespace AscendC {
namespace {
constexpr uint32_t SINCOS_EXTRA_BUF = 32;
constexpr uint32_t SINCOS_DOUBLE = 2;
static constexpr uint32_t SINCOS_HALF_SIZE = 2;
static constexpr uint32_t SINCOS_FLOAT_SIZE = 4;
static const std::set<uint32_t> SUPPORT_TYPESIZE = { SINCOS_HALF_SIZE, SINCOS_FLOAT_SIZE };
static constexpr const char SINCOS_GET_MAX_MIN[] = "GetSinCosMaxMinTmpSize";
static constexpr const char SINCOS_GET_TMP_BUFFER[] = "GetSinCosTmpBufferFactorSize";
} // namespace
void GetSinCosMaxMinTmpSize(const platform_ascendc::PlatformAscendC& ascendcPlatform, const ge::Shape& srcShape, 
    const uint32_t typeSize, const bool isReuseSource, uint32_t& maxValue, uint32_t& minValue)
{
    constexpr uint32_t alignSize = 32; 
    HighLevelApiCheck::SrcShapeSizeVerifyingParameters<SINCOS_GET_MAX_MIN>(srcShape.GetShapeSize(), typeSize);
    HighLevelApiCheck::TypeSizeVerifyingParameters<SINCOS_GET_MAX_MIN>(typeSize, SUPPORT_TYPESIZE);
    HighLevelApiCheck::IsReuseSourceVerifyingParameters<SINCOS_GET_MAX_MIN>(isReuseSource);
    platform_ascendc::SocVersion socVersion = ascendcPlatform.GetSocVersion();
    ASCENDC_HOST_ASSERT((socVersion == platform_ascendc::SocVersion::ASCEND910_95 ||
        socVersion == platform_ascendc::SocVersion::ASCEND910_55 ||
        socVersion == platform_ascendc::SocVersion::MC62CM12A),
        return, "Unsupported SocVersion of CosSin API.");

    std::vector<int64_t> shapeDims = srcShape.GetDims();
    uint32_t inputSize = 1;
    for (const auto dim : shapeDims) {
        inputSize *= dim;
    }
    inputSize = (inputSize + alignSize - 1u) / alignSize * alignSize;
    maxValue = static_cast<uint32_t>(sizeof(float) * inputSize * SINCOS_DOUBLE + SINCOS_EXTRA_BUF);
    minValue = static_cast<uint32_t>(sizeof(float) * inputSize * SINCOS_DOUBLE + SINCOS_EXTRA_BUF);
}

void GetSinCosTmpBufferFactorSize(const platform_ascendc::PlatformAscendC& ascendcPlatform, 
    const uint32_t typeSize, uint32_t& maxLivedNodeCount, uint32_t& extraBuf)
{
    HighLevelApiCheck::TypeSizeVerifyingParameters<SINCOS_GET_TMP_BUFFER>(typeSize, SUPPORT_TYPESIZE);
    platform_ascendc::SocVersion socVersion = ascendcPlatform.GetSocVersion();
    ASCENDC_HOST_ASSERT((socVersion == platform_ascendc::SocVersion::ASCEND910_95 ||
        socVersion == platform_ascendc::SocVersion::ASCEND910_55 ||
        socVersion == platform_ascendc::SocVersion::MC62CM12A),
        return, "Unsupported SocVersion of SinCos API.");
    if (typeSize == sizeof(float)) {
        extraBuf = SINCOS_EXTRA_BUF;
        maxLivedNodeCount = SINCOS_DOUBLE;
    } else {
        extraBuf = 0u;
        maxLivedNodeCount = SINCOS_DOUBLE * SINCOS_DOUBLE;
    }
}
} // namespace AscendC